Mechanics&#39;s furnace.



PATENTED AUG. 13, 1907.

c. BARGAMIN.

MEGHANIGS PURNAGE. APPLIOATION FILED MAY z, 190e;

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CLIFFORD BARGAMIN, OF NEWPORT NEWS, VIRGINIA, ASSIGNOR TO NOVELTY MANUFAC- TURING CORPORATION, OF

NEWPORT NEWS, VIRGINIA, A CORPORATION OF VIRGINIA.

ME CHANICS FURNACE.

Specification of Letters Patent.

Patented Aug. 13, 1907.

Application filed May 2,1906. Serial No. 314,840.

To all whom fit may concern:

Be it known that I, CLIFFORD BARGAMIN, a citizen of which the following is a specification,

reference being had therein to the accompanying drawing.

This invention relates to mechanics furnaces, the

object of the invention being to simplify the construction set forth in my prior and improve patent No.

826,083, dated July I7, 1906, to the end that a separate heating compartment or chamber is soldering iron or other form of iron to provided for each be heated, a separate and independent burner or blast being employed for each compartment or chamber connection with appliances hereinafter described whereby each compartment and burner is renderedindependent of and used in particularly or chamber the other or others so that when an iron is removed from one heating chamber,

the main supply of gas or other fluid will be cut off from that particular heating chamber without affecting any other, thus economizing in the consumption of gas.

A further object of the invention is to provide novel means for regulating the maximum supply of gas to each individual heating chamber and regulating device whereby locking the only a certain predetermined amount or quantity of gas is fed to the burner or blast when the connections which control the gas supply valve are put in operation by pla cing the iron in its respective compartment or heating chamber.

A further object of the invention is to provide a novel arrangement of air and gas pipes in connection with the gas valves and air valves whereby the gas and air are mixed in the proper-quantities and the mixture conducted to the several burners Actual tests have demonstrated the fact that by the use of the improved mechanics furnace described, a saving of approximately 50% to be herein of gas is effected by reason of the compartments or heating chambers being isolated from each other and providing means whereby-the iame is extinguished in any compartment or chamber from which the iron is removed, the burner being reignited only when the iron is replaced in such chamber or comp artment.

With the above and other objects in view, the nature of which will more fully appear as the description proceeds, the invention consists in the novel construction, combination and arrangement of parts as hereinafter fully described, illustrated and claimed.

In the accompanying drawings:

Figure l is a front elevation of a mechanics furnace embodying the present invention. Fig. 2 is a rear elevation Fig. 3 is a vertical fore and aft section thr of the same. ough the furnace. Fig. 4 is an enlarged vertical sectional view of 55 the economizer or gas-supply valve, and Fig. 5 is an enlarged detail sectional view illustrative of the gassupply regulating device.

In carrying out the present invention, the body I of the furnace is divided by one or more partitions 2 60 into a plurality of heating compartments or heating chambers 3 each of which is independent of and isolated from the other, each compartment being closed on all sides with the exception of the front of the furnace where the compartment is left open as shown in G5l Figs. l and 2.

In the top of each chamber or compartment 3 is a blast-hole 4 immediately above which is a burner 5 with the upper end of which is connected an air-supply pipe 6 while connected to the burner at a point 70 between its extremity'and lthe air-supply pipe (i is a gas-supply pipe 7. The pipes 6 and 7 extend downward behind the furnace as shown in Figs. 2 and 3, the air-supply pipe G connecting with the main airsupply pipe 8 while the gas pipes 7 lead to the outlet 75 nozzles 9 of a corresponding number of economizer or gas-supply valves l0 each 0f which communicates at its opposite side through an inlet nozzle Il with a main supply gas pipe l2 which extends beneath the air pipe 8 andl parallel thereto as shown in Fig. 2. The S0 pipes 8 and l2 are connected together and relatively braced at suitable points by connecting nipples 13. These nipples are'solid or plugged, however, so as to prevent the air and gas communicating and mixing until the same have been conducted to a point adjacent to the burners 5. Each air pipe (i is provided with a separate and independent valve'or cock I4 whereby the supply of air may be regulated to suit the gas-supply.

Each economizer or gas supply valve is of the construction illustrated in detail in Fig. 4 in which it will be observed that the inlet and outlet nozzles Il and 9 extend in opposite directions from the main casing I5 of the valve. This casing is provided with a tapered bore in which is fitted the main valve IG having a taper corresponding with the inside of the casing, and held in place therein by a screw plug I7 between the head of which and the bottom of the casing I5 is interposed a washer IS. Within the top of the valve I6, which is hollow, is inserted a hollow screw cap 19 which secures a 100 diaphragm 20 against an annular shoulder formed inside of the valve and which forms a tight joint and prevents any possibility of the escape of gas during the manipulation of the inner auxiliary valve which is shown at 2l, the same being movable up and down and normally bearing against an internal valve seat 22 so as to prevent the gas from passing from the inlet nozzle Il to the outlet nozzle 9.

The auxiliary valve 2l is extending stem 23 which provided with an upwardly is securely clamped to the diaphr'agm 20 and extends upward through an opening in the cap 19 above which said stern is provided with a head or collar 24 adjustably mounted and held thereon by a binding screw 25.

Each econornizer or gas-supply valve is operated automatically by a lever' 26 which extends under the bottom of the furnace as shown in Fig. 3 and is provided with a journal or shalt portion 27 mounted in one or nror'e bearings 28 extending upward fr'orrr the valve casing l5 as shown in Fig. 4. The shaft or journal portion 27 has an off-standing lever ar'm 29 which projects beneath the head or collar 24 so that when the shaft 27 turns in one direction, said lever arm 29 lifts on the colla1'24 and unseats the auxiliary valve 2l, allowing the gas to pass to the burner. When the shaft 27 turns in the opposite direction, the valve 2l is returned to its seat and held closed by means of a spring 30.

The forward end of each lever' 2G is extended upward to form an arm 3l and on the upper end of said ar'm is mounted a saddle 32 upon which the handle of a soldering ir'on o1' other for'rn of iron is adapted to rest as shown in Fig. 3 while the ir'on is being subjected to the flame or' blast from the bur'ner 5. The saddle 32 is prefer'- ably dished or' concaved as shown, and has an adjustable connection with the ar'rn 3l, the saddle being for that purpose provided with a downwardly extending stem or post 33 which is hollow and internally tlrr'eaded as shown in Fig. 5 to receive the threaded upper end of the arm 3l. The stem or' post 33 ofthe saddle slides up and down through a stationary rest 34 in the form of a leaf or shelf projecting from the front of the furnace and provided with openings 35 through which the stems or posts 33 of the several levers 26 move. rlhe rest 34 forms a ledge upon which to rest the irons when not in use, it also forms a guide for the stems or posts 33, and also a supporting stop for' the saddles 32, the downward movement of which is limited by said stationary rest 34.

It will now be observed that the more movement that is allowed the saddle 32, the more movement there will be for the shaft 27 and the greater the movement of the valve 2l; therefore by adjusting a saddle 32 upward or downward on its respective ar'rn 3l, the amount of the movement of said saddle may be regulated and thereby the amount of gas which is allowed to pass by the auxiliary valve 2l to the burner. ln order to lock each saddle 32 and prevent a mechanic from unduly incr'easing the flow of gas, I provide locking means, which, in the preferred embodiment of the invention, embodies a locking pin 35 inser'tible through an opening in the saddle and provided at its upper end with-a head 36 to hold the same in place. The pin 35 extends downward through a corresponding hole 37 in the stationar'y rest and is provided at its lower end with an eye 38 to receive a pad-lock 39 or its equivalent which prevents the locking pin 35 from being withdrawn and the adjustment of the saddle being tampered with.

40 designates a pilot tube which leads from an outlet opening 4l in the valve to a point adjacent to its respective burner 5 so as to maintain a small flame adjacent to the main bur'ner' when the fiow of gas is cut off tlrerefr'orn by removing the solder'ing iron from the furnace and releasing the saddle 32 and connections which close the auxiliary valve 2l.

42 designates the main valve handle by means of which the main valve may be tur'ned to throw the por'ts thereof out of alinement with the inlet and outlet nozzles to entirely cut off the supply of gas.

I claim:

l. A mcehanics furnace comprising a plurality of separated independent heating chambers, a burner' for' each chamber', a gas supply pipe leading to said bur'ner, a valve contr'olling said pipe, a valve operating lever', a saddle carried by and adjnstably mounted on said lever', and means coperating with said saddle to limit the movement of the lever', substantially as described 2. A mechanics fur'nace embodying' a heating chamber, a brrr'ner' therefor, a gas supply pipe leading to the bur'ner', a valve controlling said pipe, a valve actuating' lever', a saddle adjustably connected to said lever, and means coperating with said saddle to limit the movement of the said lever' substantially as and for' the purpose described.

A rnechanics furnace embodying a heating' chamber, a bur'ner' therefor, a gas supply pipe leading to the bur'ner, a valve controlling said pipe, a valve actuating lever, a saddle adjustably connected to said lever, and a stationary supporting r'est for said saddle, whereby the movement of the saddle is limited in one direction.

4. A mechanics furnace embodying a heating' chamber, a bur'ner' therefor, a gas supply pipe leading to the bur'ner', a valve controlling said pipe, a valve actuating lever','1neans for limiting the movement of said lever, a saddle adjustably connected to said lever', and means for locking said saddle.

5. A mechanics furnace embodying; a heating chamber, a bur'ner' ther'efor', a gas supply pipe leading to the brrr'ner', a valve controlling said pipe, a valve actuating lever', a saddle adjustably connected with said lever', a stationary r'est forming a support for the saddle, and saddle locking means embodying a pin inser'tible through openings in the saddle and stationary r'est, and a device to prevent the withdrawal of said pin.

G. A nrechanics furnace embodying a heating chamber', a burner therefor', a gas supply pipe leading to the burner, a valve controlling said pipe, a valve actuating lever, a saddle having an adjustable and threaded connection with said lever', a stationary rest through which a portion of the saddle is movable, and locking means engaging' the saddle and stationary r'cst to prevent turning the saddle, substantially as described.

In testimony whereof I affix my signature in pr'esence of two witnesses.

CLIFFORD BARGAMIN.

Witnesses Fnnn MANVILLE, ALICE R. JorrNsoN. 

